Fioricet is indicated for the treatment of muscle tension or muscle contraction headaches. It is also commonly prescribed for migraines although it is not FDA indicated for this use in the United States. The usual adult dose is 1-2 tablets every four hours as needed, not exceeding six tablets in a 24-hour period. An overdose can damage your liver or cause death. Tell your doctor if the medicine seems to stop working as well in relieving your pain.
Evidence supporting the efficacy and safety of this combination product in the treatment of multiple recurrent headaches is unavailable. Caution in this regard is required because butalbital is habit-forming and potentially abusable.
Extended and repeated use of this product is not recommended because of the potential for physical dependence.